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                                <h1 id="php&#x8FD0;&#x7B97;&#x7B26;">PHP&#x8FD0;&#x7B97;&#x7B26;</h1>
<h3 id="&#x7B97;&#x6570;&#x8FD0;&#x7B97;&#x7B26;">&#x7B97;&#x6570;&#x8FD0;&#x7B97;&#x7B26;</h3>
<table>
<thead>
<tr>
<th>&#x8FD0;&#x7B97;&#x7B26;</th>
<th>&#x540D;&#x79F0;</th>
<th>&#x4F8B;&#x5B50;</th>
</tr>
</thead>
<tbody>
<tr>
<td>+</td>
<td>&#x52A0;&#x6CD5;</td>
<td>$x+$y</td>
</tr>
<tr>
<td>-</td>
<td>&#x51CF;&#x6CD5;</td>
<td>$x-$y</td>
</tr>
<tr>
<td>*</td>
<td>&#x4E58;&#x6CD5;</td>
<td>$x*$y</td>
</tr>
<tr>
<td>/</td>
<td>&#x9664;&#x6CD5;</td>
<td>$x/$y</td>
</tr>
<tr>
<td>%</td>
<td>&#x53D6;&#x4F59;</td>
<td>$x%$y</td>
</tr>
<tr>
<td>-</td>
<td>&#x53D6;&#x53CD;</td>
<td>-$x</td>
</tr>
<tr>
<td>.</td>
<td>&#x5E76;&#x7F6E;</td>
<td>$str1.$str</td>
</tr>
</tbody>
</table>
<h3 id="&#x8D4B;&#x503C;&#x8FD0;&#x7B97;&#x7B26;">&#x8D4B;&#x503C;&#x8FD0;&#x7B97;&#x7B26;</h3>
<p>PHP&#x8D4B;&#x503C;&#x8FD0;&#x7B97;&#x7B26;&#x7528;&#x4E8E;&#x5411;&#x53D8;&#x91CF;&#x5199;&#x503C;&#x3002;</p>
<table>
<thead>
<tr>
<th>&#x8FD0;&#x7B97;&#x7B26;</th>
<th>&#x4F8B;&#x5B50;</th>
<th>&#x4F5C;&#x7528;</th>
</tr>
</thead>
<tbody>
<tr>
<td>=</td>
<td>$x = 100</td>
<td>&#x8D4B;&#x503C;</td>
</tr>
<tr>
<td>+=</td>
<td>$x += 10</td>
<td>&#x52A0;&#x6CD5;</td>
</tr>
<tr>
<td>-=</td>
<td>$x -= 10</td>
<td>&#x51CF;&#x6CD5;</td>
</tr>
<tr>
<td>*=</td>
<td>$x *= 10</td>
<td>&#x4E58;&#x6CD5;</td>
</tr>
<tr>
<td>/=</td>
<td>$x /= 3</td>
<td>&#x9664;&#x6CD5;</td>
</tr>
<tr>
<td>%=</td>
<td>$x %= 2</td>
<td>&#x53D6;&#x4F59;</td>
</tr>
<tr>
<td>.=</td>
<td>$str .= &quot;lisi&quot;</td>
<td>&#x8FDE;&#x63A5;</td>
</tr>
</tbody>
</table>
<h3 id="&#x9012;&#x589E;&#x9012;&#x51CF;&#x8FD0;&#x7B97;&#x7B26;">&#x9012;&#x589E;/&#x9012;&#x51CF;&#x8FD0;&#x7B97;&#x7B26;</h3>
<table>
<thead>
<tr>
<th>&#x8FD0;&#x7B97;&#x7B26;</th>
<th>&#x4F8B;&#x5B50;</th>
<th>&#x4F5C;&#x7528;</th>
</tr>
</thead>
<tbody>
<tr>
<td>++x</td>
<td>++$x</td>
<td>$x+1 &#x7136;&#x540E;&#x8FD4;&#x56DE;$x</td>
</tr>
<tr>
<td>x++</td>
<td>$x++</td>
<td>&#x8FD4;&#x56DE;$x,$x+1</td>
</tr>
<tr>
<td>--x</td>
<td>--$x</td>
<td>$x-1 &#x8FD4;&#x56DE;$x</td>
</tr>
<tr>
<td>x--</td>
<td>$x--</td>
<td>&#x8FD4;&#x56DE;$x,$x-1</td>
</tr>
</tbody>
</table>
<h3 id="&#x6BD4;&#x8F83;&#x8FD0;&#x7B97;&#x7B26;">&#x6BD4;&#x8F83;&#x8FD0;&#x7B97;&#x7B26;</h3>
<p>&#x6BD4;&#x8F83;&#x8FD0;&#x7B97;&#x7B26;&#x8FD4;&#x56DE;&#x7684;&#x7ED3;&#x679C;&#x4E3A;&#x5E03;&#x5C14;&#x503C;&#x3002;</p>
<table>
<thead>
<tr>
<th>&#x8FD0;&#x7B97;&#x7B26;</th>
<th>&#x4F8B;&#x5B50;</th>
<th>&#x4F5C;&#x7528;</th>
</tr>
</thead>
<tbody>
<tr>
<td>==</td>
<td>&#x7B49;&#x4E8E;</td>
<td>&#x6BD4;&#x8F83;&#x503C;&#x662F;&#x5426;&#x76F8;&#x540C;</td>
</tr>
<tr>
<td>===</td>
<td>&#x6052;&#x7B49;&#x4E8E;</td>
<td>&#x6BD4;&#x8F83;&#x503C;&#x662F;&#x5426;&#x76F8;&#x7B49;&#x3001;&#x7C7B;&#x578B;&#x662F;&#x5426;&#x76F8;&#x540C;</td>
</tr>
<tr>
<td>!=</td>
<td>&#x4E0D;&#x7B49;&#x4E8E;</td>
<td>&#x503C;&#x4E0D;&#x76F8;&#x7B49;</td>
</tr>
<tr>
<td>&lt;&gt;</td>
<td>&#x4E0D;&#x7B49;&#x4E8E;</td>
<td>&#x503C;&#x4E0D;&#x76F8;&#x7B49;</td>
</tr>
<tr>
<td>!==</td>
<td>&#x4E0D;&#x6052;&#x7B49;</td>
<td>&#x503C;&#x6216;&#x7C7B;&#x578B;&#x4E0D;&#x76F8;&#x540C;</td>
</tr>
<tr>
<td>&gt;</td>
<td>&#x5927;&#x4E8E;</td>
<td>$x&gt;$y $x&#x6BD4;$y&#x5927;&#x8FD4;&#x56DE;true</td>
</tr>
<tr>
<td>&lt;</td>
<td>&#x5C0F;&#x4E8E;</td>
<td>$x&lt;$y $x&#x5C0F;&#x4E8E;$y&#x8FD4;&#x56DE;true</td>
</tr>
<tr>
<td>&gt;=</td>
<td>&#x5927;&#x4E8E;&#x7B49;&#x4E8E;</td>
<td>$x&gt;=$y $x&#x6BD4;$y&#x5927;&#x6216;&#x76F8;&#x7B49;&#x8FD4;&#x56DE;true</td>
</tr>
<tr>
<td>&lt;=</td>
<td>&#x5C0F;&#x4E8E;&#x7B49;&#x4E8E;</td>
<td>$x&lt;=$y $x&#x6BD4;$y&#x5C0F;&#x6216;&#x76F8;&#x7B49;&#x8FD4;&#x56DE;true</td>
</tr>
</tbody>
</table>
<h3 id="&#x903B;&#x8F91;&#x8FD0;&#x7B97;&#x7B26;">&#x903B;&#x8F91;&#x8FD0;&#x7B97;&#x7B26;</h3>
<table>
<thead>
<tr>
<th>&#x8FD0;&#x7B97;&#x7B26;</th>
<th>&#x540D;&#x79F0;</th>
<th>&#x4F8B;&#x5B50;</th>
<th>&#x7ED3;&#x679C;</th>
</tr>
</thead>
<tbody>
<tr>
<td>and</td>
<td>&#x4E0E;</td>
<td>$x and $y</td>
<td>&#x5982;&#x679C; $x &#x548C; $y &#x90FD;&#x4E3A; true&#xFF0C;&#x5219;&#x8FD4;&#x56DE; true</td>
</tr>
<tr>
<td>or</td>
<td>&#x6216;</td>
<td>$x or $y</td>
<td>&#x5982;&#x679C; $x &#x548C; $y &#x81F3;&#x5C11;&#x6709;&#x4E00;&#x4E2A;&#x4E3A; true&#xFF0C;&#x5219;&#x8FD4;&#x56DE; true&#x3002;</td>
</tr>
<tr>
<td>xor</td>
<td>&#x5F02;&#x6216;</td>
<td>$x xor $y</td>
<td>&#x5982;&#x679C; $x &#x548C; $y &#x6709;&#x4E14;&#x4EC5;&#x6709;&#x4E00;&#x4E2A;&#x4E3A; true&#xFF0C;&#x5219;&#x8FD4;&#x56DE; true&#x3002;</td>
</tr>
<tr>
<td>&amp;&amp;</td>
<td>&#x4E0E;</td>
<td>$x &amp;&amp; $y</td>
<td>&#x5982;&#x679C; $x &#x548C; $y &#x90FD;&#x4E3A; true&#xFF0C;&#x5219;&#x8FD4;&#x56DE; true&#x3002;</td>
</tr>
<tr>
<td>II</td>
<td>&#x6216;</td>
<td>$x II $y</td>
<td>&#x5982;&#x679C; $x &#x548C; $y &#x81F3;&#x5C11;&#x6709;&#x4E00;&#x4E2A;&#x4E3A; true&#xFF0C;&#x5219;&#x8FD4;&#x56DE; true&#x3002;</td>
</tr>
<tr>
<td>!</td>
<td>&#x975E;</td>
<td>!$x</td>
<td>&#x5982;&#x679C; $x &#x4E0D;&#x4E3A; true&#xFF0C;&#x5219;&#x8FD4;&#x56DE; true&#x3002;</td>
</tr>
</tbody>
</table>
<h3 id="php-&#x6570;&#x7EC4;&#x8FD0;&#x7B97;&#x7B26;">PHP &#x6570;&#x7EC4;&#x8FD0;&#x7B97;&#x7B26;</h3>
<p>PHP &#x6570;&#x7EC4;&#x8FD0;&#x7B97;&#x7B26;&#x7528;&#x4E8E;&#x6BD4;&#x8F83;&#x6570;&#x7EC4;&#xFF1A;</p>
<table>
<thead>
<tr>
<th>&#x8FD0;&#x7B97;&#x7B26;</th>
<th>&#x540D;&#x79F0;</th>
<th>&#x4F8B;&#x5B50;</th>
<th>&#x7ED3;&#x679C;</th>
</tr>
</thead>
<tbody>
<tr>
<td>+</td>
<td>&#x8054;&#x5408;</td>
<td>$x + $y</td>
<td>$x &#x548C; $y &#x7684;&#x8054;&#x5408;&#xFF08;&#x4F46;&#x4E0D;&#x8986;&#x76D6;&#x91CD;&#x590D;&#x7684;&#x952E;&#xFF09;</td>
</tr>
<tr>
<td>==</td>
<td>&#x76F8;&#x7B49;</td>
<td>$x == $y</td>
<td>&#x5982;&#x679C; $x &#x548C; $y &#x62E5;&#x6709;&#x76F8;&#x540C;&#x7684;&#x952E;/&#x503C;&#x5BF9;&#xFF0C;&#x5219;&#x8FD4;&#x56DE; true&#x3002;</td>
</tr>
<tr>
<td>===</td>
<td>&#x5168;&#x7B49;</td>
<td>$x === $y</td>
<td>&#x5982;&#x679C; $x &#x548C; $y &#x62E5;&#x6709;&#x76F8;&#x540C;&#x7684;&#x952E;/&#x503C;&#x5BF9;&#xFF0C;&#x4E14;&#x987A;&#x5E8F;&#x76F8;&#x540C;&#x7C7B;&#x578B;&#x76F8;&#x540C;&#xFF0C;&#x5219;&#x8FD4;&#x56DE; true&#x3002;</td>
</tr>
<tr>
<td>!=</td>
<td>&#x4E0D;&#x76F8;&#x7B49;</td>
<td>$x != $y</td>
<td>&#x5982;&#x679C; $x &#x4E0D;&#x7B49;&#x4E8E; $y&#xFF0C;&#x5219;&#x8FD4;&#x56DE; true&#x3002;</td>
</tr>
<tr>
<td>&lt;&gt;</td>
<td>&#x4E0D;&#x76F8;&#x7B49;</td>
<td>$x &lt;&gt; $y</td>
<td>&#x5982;&#x679C; $x &#x4E0D;&#x7B49;&#x4E8E; $y&#xFF0C;&#x5219;&#x8FD4;&#x56DE; true&#x3002;</td>
</tr>
<tr>
<td>!==</td>
<td>&#x4E0D;&#x5168;&#x7B49;</td>
<td>$x !== $y</td>
<td>&#x5982;&#x679C; $x &#x4E0E; $y &#x5B8C;&#x5168;&#x4E0D;&#x540C;&#xFF0C;&#x5219;&#x8FD4;&#x56DE; true&#x3002;</td>
</tr>
</tbody>
</table>
<h3 id="&#x4E09;&#x5143;&#x8FD0;&#x7B97;&#x7B26;">&#x4E09;&#x5143;&#x8FD0;&#x7B97;&#x7B26;</h3>
<pre><code>$var = exp?x:y&#xFF1B;
</code></pre><h3 id="&#x9519;&#x8BEF;&#x63A7;&#x5236;&#x7B26;-">&#x9519;&#x8BEF;&#x63A7;&#x5236;&#x7B26; @</h3>
<p>&#x5728;PHP&#x4E2D;&#xFF0C;&#x53EF;&#x4EE5;&#x4F7F;&#x7528;@&#x8FD0;&#x7B97;&#x7B26;&#x6765;&#x6291;&#x5236;&#x5355;&#x4E2A;&#x9519;&#x8BEF;&#x3002;&#x4F8B;&#x5982;&#xFF0C;&#x5982;&#x679C;&#x4E0D;&#x5E0C;&#x671B;PHP&#x62A5;&#x544A;&#x5B83;&#x4E0D;&#x5305;&#x62EC;&#x67D0;&#x4E2A;&#x6587;&#x4EF6;&#xFF0C;&#x5219;&#x53EF;&#x4EE5;&#x7F16;&#x5199;&#x5982;&#x4E0B;&#x4EE3;&#x7801;&#xFF1A;</p>
<pre><code class="lang-php">@<span class="hljs-keyword">include</span> (<span class="hljs-string">&apos;config.inc.php&apos;</span>);
</code></pre>
<p>&#x6216;&#x8005;&#x5982;&#x679C;&#x4E0D;&#x5E0C;&#x671B;&#x770B;&#x5230;&#x201C;&#x9664;&#x4EE5;0&#x201D;&#x9519;&#x8BEF;&#xFF1A;</p>
<pre><code class="lang-php">$x = <span class="hljs-number">8</span>;
$y = <span class="hljs-number">0</span>;
$num = @($x/$y);
</code></pre>
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